A PL/SQL transaction is a collection of operations or instructions which is executed as a whole atomic unit. A transaction can access and manipulate various data items. In a multi-user environment, every user is working with his own transaction independence, keeping the database in an inconsistent format. There are few properties which every stable database …
This is a College Stationery Management System Application Software project which is developed using Visual Basic .NET programming language and Microsoft Access 2007 as its Database store. It is very good software which can be used for B.Tech, BSc, BCA and many other courses for college projects. Hope you all like it. The project also …
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An exception is a condition which executes when an error occurs during execution of a PL/SQL program. PL/SQL provides a feature that lets the programmers to handle these exceptions in the exception block in a PL/SQL program. Exception block contains the methods (defined by the programmer) which can provide a particular action that needs to …
Here are 50+ frequently asked PL/SQL interview questions and answers which will definitely help you out to crack one of the toughest interviews. Q1. How can you Rollback a particular part of a procedure or any PL/SQL Program? It can be done using Savepoints during definition of a PL/SQL program. Q2. Is there …
Java decompiler is a tool which is designed in such a way that it is capable of converting .class file into Java source code. It will not give the exact java source code from which the .class file is generated but most of the code will be same. Decompiler is really helpful in case you …
PL/SQL triggers are block structures or pre-defined programs, which may be in-built or even explicitly developed by the programmers for a particular task. Triggers are automatically executed when an event occurs which is well thought of by the programmer in advance. Triggers are associated with response-based events such as a Database Definition Language (DDL) statement …
Anonymous class in Java is a class without name. Its name is decided by the compiler. It enables us to declare and instantiate the class at the same time. It is like local class except that it does not have any name. We can use it only once. Anonymous class is also known as anonymous …
Till now we haven’t discussed about the most important commands that provide actual functionality to the batch files, which are none other than file and folder manipulation commands. So, in this post we will be seeing all the commands associated with folder manipulation operations like creating a new folder, how to rename it, display it, …
